🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.33

Radius: 0.64

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.68 AU - 0.96 AU

Year: 265 Days

Day: 42 Hours

Environment

Temp: 181 °C

Axial Tilt: 45.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 92,476,606 km

• M1: 14,960 km (0.07 R)
• M2: 32,762 km (0.028 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.68

Radius: 0.86

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.42 AU - 1.5 AU

Year: 629 Days

Day: 35.6 Hours

Environment

Temp: -2 °C

Axial Tilt: 37.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.97

Radius: 0.99

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.62 AU - 2.22 AU

Year: 948 Days

Day: 21.1 Hours

Environment

Temp: -45 °C

Axial Tilt: 15.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 12.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.8

Radius: 14.8

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 10.84 AU - 13.9 AU

Year: 15508 Days

Day: 8.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 92,476,606 km

• M1: 184,005 km (0.102 R)
• M2: 1,045,689 km (0.104 R)
• M3: 1,519,017 km (0.114 R)
• M4: 2,072,230 km (0.078 R)
• M5: 3,216,504 km (0.054 R)
• M6: 4,454,875 km (0.069 R)
• M7: 4,963,358 km (0.051 R)
• M8: 8,604,421 km (0.07 R)
• M9: 11,076,974 km (0.035 R)
• M10: 12,948,593 km (0.08 R)
• M11: 16,105,408 km (0.097 R)
• M12: 19,037,975 km (0.093 R)
• M13: 20,794,403 km (0.108 R)
• M14: 22,396,447 km (0.109 R)
• M15: 26,036,013 km (0.082 R)
• M16: 29,115,336 km (0.114 R)
• M17: 30,158,482 km (0.098 R)
• M18: 34,120,881 km (0.119 R)
• M19: 34,697,281 km (0.077 R)
• M20: 38,170,196 km (0.056 R)
• M21: 39,546,048 km (0.112 R)
• M22: 47,495,529 km (0.102 R)

Planet 5 - Ice Giant

Semi-Major Axis: 19.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 459.1

Radius: 3.9

Gravity: 30.18 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 15.5 AU - 24.44 AU

Year: 31810 Days

Day: 16.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 92,476,606 km

• M1: 54,753 km (0.037 R)
• M2: 741,856 km (0.112 R)
• M3: 1,014,124 km (0.079 R)
• M4: 1,270,984 km (0.082 R)
• M5: 1,431,652 km (0.05 R)
• M6: 2,571,139 km (0.1 R)
• M7: 3,772,110 km (0.107 R)
• M8: 3,936,369 km (0.06 R)
• M9: 4,174,379 km (0.117 R)
• M10: 6,436,448 km (0.091 R)
• M11: 7,932,128 km (0.059 R)
• M12: 11,180,795 km (0.083 R)
• M13: 16,578,137 km (0.12 R)
• M14: 17,197,921 km (0.069 R)
• M15: 17,833,113 km (0.112 R)
• M16: 18,767,352 km (0.049 R)
• M17: 21,451,736 km (0.064 R)
• M18: 27,078,411 km (0.097 R)
• M19: 31,285,552 km (0.05 R)
• M20: 33,194,720 km (0.118 R)
• M21: 35,615,663 km (0.066 R)
• M22: 38,151,646 km (0.051 R)
• M23: 40,328,444 km (0.104 R)
• M24: 40,805,512 km (0.12 R)
• M25: 48,777,433 km (0.106 R)
• M26: 54,760,899 km (0.116 R)
• M27: 57,325,156 km (0.072 R)
• M28: 60,589,531 km (0.061 R)
• M29: 67,485,694 km (0.034 R)
• M30: 67,709,343 km (0.04 R)
• M31: 68,834,468 km (0.118 R)
• M32: 71,585,573 km (0.102 R)
• M33: 81,031,482 km (0.063 R)
• M34: 89,915,651 km (0.082 R)

Planet 6 - Ice Giant

Semi-Major Axis: 20.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 449.4

Radius: 3.4

Gravity: 38.88 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 17.45 AU - 23.55 AU

Year: 33085 Days

Day: 24.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 92,476,606 km

• M1: 42,336 km (0.086 R)
• M2: 201,957 km (0.099 R)
• M3: 354,248 km (0.101 R)
• M4: 627,563 km (0.113 R)
• M5: 910,602 km (0.084 R)
• M6: 1,095,206 km (0.1 R)
• M7: 1,743,114 km (0.103 R)
• M8: 2,959,046 km (0.12 R)
• M9: 3,424,894 km (0.109 R)
• M10: 4,390,997 km (0.032 R)
• M11: 5,483,360 km (0.049 R)
• M12: 6,320,211 km (0.084 R)
• M13: 6,988,913 km (0.104 R)
• M14: 7,391,481 km (0.1 R)
• M15: 7,546,315 km (0.102 R)
• M16: 7,703,393 km (0.057 R)
• M17: 11,596,528 km (0.088 R)
• M18: 12,088,705 km (0.113 R)
• M19: 12,815,601 km (0.082 R)
• M20: 13,039,250 km (0.092 R)
• M21: 13,725,904 km (0.107 R)
• M22: 14,038,563 km (0.051 R)
• M23: 18,833,923 km (0.029 R)
• M24: 21,753,774 km (0.107 R)
• M25: 23,045,253 km (0.103 R)
• M26: 25,662,168 km (0.091 R)
• M27: 28,850,847 km (0.058 R)
• M28: 34,113,700 km (0.116 R)
• M29: 38,571,866 km (0.066 R)
• M30: 39,350,822 km (0.096 R)
• M31: 43,570,679 km (0.096 R)
• M32: 50,450,236 km (0.108 R)
• M33: 53,855,981 km (0.082 R)
• M34: 58,222,594 km (0.073 R)
• M35: 62,605,213 km (0.106 R)
• M36: 70,158,409 km (0.119 R)
• M37: 72,254,724 km (0.075 R)
• M38: 89,459,676 km (0.038 R)
• M39: 91,097,025 km (0.041 R)
• M40: 92,199,561 km (0.112 R)

Kuiper Belt

Range: 30.8 - 47.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 394 - 14,778 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit